1. We found the solution through visiting the website
2. For improving the English composition, it is crucial to keep a good reading habit.
3. How to add the printer to the notebook PC?
4. The sale will be ended by may, 2013.
5. Each one can use it only once./One time use only.
6. We discussed how to improve the access speed to the database in last class.
7. I don't think it will work.